Coffee and You: How Healthful is it?

摘要

In the American heartland, high school students huddle over free coffee refills in a chain diner, the only place away from home where they can hang out in the middle of the night. At a truck stop in the Southwest, a woman takes another big gulp of stale black coffee before starting up her rig. A few hours later, an elderly man wakes his wife up with the aroma wafting from their weathered percolator. From the nerve-jangled caffeine addict to those who have a mug about once a year, a lot of Americans drink coffee. But is it healthful?